89270099 has 2 divisors, whose sum is σ = 89270100. Its totient is φ = 89270098.

The previous prime is 89270089. The next prime is 89270101. The reversal of 89270099 is 99007298.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89270099 is a prime.

Together with 89270101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89270059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44635049 + 44635050.

It is an arithmetic number, because the mean of its divisors is an integer number (44635050).

Almost surely, 2^89270099 is an apocalyptic number.

89270099 is a deficient number, since it is larger than the sum of its proper divisors (1).

89270099 is an equidigital number, since it uses as much as digits as its factorization.

89270099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 89270099 is about 9448.2855058471. The cubic root of 89270099 is about 446.9257100522.

The spelling of 89270099 in words is "eighty-nine million, two hundred seventy thousand, ninety-nine".